/Engine/Source/Runtime/GeometryCore/Public/DynamicMesh/DynamicPointSet3.h
Attribute Set Support. At the level of this class, we do not have a specific attribute set. Clients can provide a pointer to their attribute set so that functions likeAppendVertex()or DeleteVertex() will work.
void SetExternallyManagedAttributes ( [TDynamicAttributeSetBase](API\Runtime\GeometryCore\DynamicMesh\TDynamicAttributeSetBase)< [TDynamicPointSet3](API\Runtime\GeometryCore\DynamicMesh\TDynamicPointSet3)< RealType >> * AttributeSet )